Rename BPF_EXPORT to BPF_TABLE_PUBLIC

Signed-off-by: Brenden Blanco <bblanco@plumgrid.com>

src/cc/export/helpers.h

@@ -46,7 +46,9 @@ struct _name##_table_t { \
 __attribute__((section("maps/" _table_type))) \
 struct _name##_table_t _name
 
-#define BPF_TABLE_EXPORT(_name) \
+// define a table same as above but allow it to be referenced by other modules
+#define BPF_TABLE_PUBLIC(_table_type, _key_type, _leaf_type, _name, _max_entries) \
+BPF_TABLE(_table_type, _key_type, _leaf_type, _name, _max_entries); \
 __attribute__((section("maps/export"))) \
 struct _name##_table_t __##_name
 

tests/cc/test_clang.py

@@ -295,5 +295,9 @@ BPF_TABLE("array", int, union emptyu, t3, 1);
 """
         b = BPF(text=text, cflags=["-DMYFLAG"])
 
+    def test_exported_maps(self):
+        b1 = BPF(text="""BPF_TABLE_PUBLIC("hash", int, int, table1, 10);""")
+        b2 = BPF(text="""BPF_TABLE("extern", int, int, table1, 10);""")
+
 if __name__ == "__main__":
     main()